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Finding the Fourth Proportional to 671,341.64, 926,470.85 and 365,437.85

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Solution

The fourth proportional to 671,341.64, 926,470.85 and 365,437.85 is: 504,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,341.64 : 926,470.85 = 365,437.85 : x
  2. Step 2: Convert to fraction form
    671,341.64/926,470.85 = 365,437.85/x
  3. Step 3: Cross multiply
    671,341.64x = 926,470.85 × 365,437.85
  4. Step 4: Simplify right side
    671,341.64x = 338,567,509,052.13
  5. Step 5: Solve for x
    x = 338,567,509,052.13/671,341.64
  6. Step 6: Final answer
    x = 504,314.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.